CN109766612A - Air conditioner air pipe pressure loss optimization method, device and platform of electric automobile - Google Patents
Air conditioner air pipe pressure loss optimization method, device and platform of electric automobile Download PDFInfo
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Abstract
The invention provides an air conditioner air duct pressure loss optimization method, device and platform of an electric automobile, and relates to the technical field of automobile design, wherein the method comprises the following steps: controlling an initial grid model of the air-conditioning air pipe to automatically deform according to initial coordinates of a control body area and a plurality of control points input by a user and prestored control point movement parameters; calculating the pressure difference between the outlet and the inlet of the deformed grid model; and determining the optimal geometric model with the minimum pressure loss of the air conditioner air pipe according to the plurality of deformed grid models and the pressure difference in each deformed grid model. The scheme of the invention realizes the optimization of the pressure loss of the air-conditioning air pipe of the electric automobile in a full-automatic and one-time process, and improves the optimization efficiency.
Description
Technical field
The invention belongs to technical field of automobile design, more particularly, to a kind of air conditioning wind pipe crushing optimization side of electric car
Method, device and platform.
Background technique
In the prior art, general to establish net using duplicate manually in the air conditioning wind pipe crushing optimization process of electric car
Lattice model, calculating are modified grid and are calculated, finally obtain optimum results, this results in that more designer is needed to take turns weight more
The air conditioning wind pipe crushing optimization of multiple progress electric car, causes optimizing cycle to extend, and optimization efficiency reduces and optimization cost increases
It is high.
Summary of the invention
A kind of air conditioning wind pipe crushing optimization method for being designed to provide electric car of the embodiment of the present invention, device and flat
Platform, so that solving manual operation in the prior art realizes that the air conditioning wind pipe crushing optimization of electric car leads to period length, low efficiency
And problem at high cost.
To achieve the goals above, the present invention provides a kind of air conditioning wind pipe crushing optimization methods of electric car, comprising:
It is moved according to the initial coordinate and pre-stored control point at the control body region of user's input and multiple control points
Dynamic parameter, the initial mesh model for controlling the air conditioning wind pipe carry out auto Deformation；
Calculate the outlet of deformed grid model and the pressure difference of entrance；
According to the pressure difference in multiple deformed grid models and each deformed grid model, institute is determined
State the smallest optimal geometrical model of air conditioning wind pipe crushing.
Wherein, according to the initial coordinate and pre-stored control of the control body region of user's input and multiple control points
System point a moving parameter, control the air conditioning wind pipe initial mesh model carry out auto Deformation the step of include:
Obtain the initial geometric model for the air conditioning wind pipe that general-purpose computations flow dynamics analysis software is inputted according to user
The initial mesh model of generation；
The initial mesh model is loaded onto the application software of automatic grid deformation；
Obtain the control body region that inputs in the application software that the automatic grid deforms of user and each control point
Initial coordinate；
The mobile corresponding control point of control point moving parameter according to the pre-stored data, make the initial mesh model into
Row auto Deformation generates deformed grid model.
Wherein, calculate deformed grid model outlet and entrance pressure difference the step of include:
Deformed grid model is loaded onto general-purpose computations flow dynamics analysis software；
The boundary condition of the air conditioning wind pipe is set in the general-purpose computations flow dynamics analysis software；Wherein, described
Boundary condition includes: mass flow entrance boundary condition and pressure export boundary condition；
The parameter to be calculated of user's input is set；Wherein, the parameter to be calculated include the air conditioning wind pipe outlet with
Pressure difference between entrance；
According to the boundary condition and the parameter to be calculated, calculate automatically the outlet of the deformed grid model with
Pressure difference between entrance.
Wherein, deformed grid model is loaded onto before the step in general-purpose computations flow dynamics analysis software, institute
State method further include:
Delete the previous determining the smallest optimal geometrical model of air conditioning wind pipe crushing in general-purpose computations flow dynamics analysis software
Computational domain, the grid model in flow field in the process conciliate file.
Wherein, according to the pressure difference in multiple deformed grid models and each deformed grid model,
The step of determining the air conditioning wind pipe crushing the smallest optimal geometrical model include:
The deformation coordinate at each control point in each deformed grid model is obtained respectively；
According to the deformation coordinate at each control point of each deformed grid model and the deformed grid model
Pressure difference is fitted approximate model of the air conditioning wind pipe crushing about control point coordinates；
According to the approximate model, the smallest optimal geometrical model of the air conditioning wind pipe crushing is determined.
Wherein, according to the approximate model, the step of determining the air conditioning wind pipe crushing the smallest optimal geometrical model packet
It includes:
According to the approximate model, using optimal method, each control point when the pressure difference is minimum value is determined
Position coordinates；
According to the position coordinates at each control point currently determined, the optimal geometrical model of the air conditioning wind pipe is determined.
The embodiment of the present invention also provides a kind of air conditioning wind pipe crushing optimization device of electric car, comprising:
Control module, the initial coordinate of control body region and multiple control points for being inputted according to user, and in advance
The control point moving parameter of storage, the initial mesh model for controlling the air conditioning wind pipe carry out auto Deformation；
Computing module, for calculating the outlet of deformed grid model and the pressure difference of entrance；
Determining module, for according to the institute in multiple deformed grid models and each deformed grid model
Pressure difference is stated, determines the smallest optimal geometrical model of the air conditioning wind pipe crushing.
Wherein, the control module includes:
First acquisition submodule, the air-conditioning inputted for obtaining general-purpose computations flow dynamics analysis software according to user
The initial mesh model that the initial geometric model of air hose generates；
First load submodule, for the initial mesh model to be loaded onto the application software of automatic grid deformation
In；
Second acquisition submodule, the control inputted in the application software that the automatic grid deforms for obtaining user
The initial coordinate of body region and each control point；
Submodule is generated, for the mobile corresponding control point of control point moving parameter according to the pre-stored data, makes institute
It states initial mesh model and carries out auto Deformation, generate deformed grid model.
Wherein, the computing module includes:
Second load submodule, for deformed grid model to be loaded onto general-purpose computations flow dynamics analysis software
In；
First setting submodule, for the air conditioning wind pipe to be arranged in the general-purpose computations flow dynamics analysis software
Boundary condition；Wherein, the boundary condition includes: mass flow entrance boundary condition and pressure export boundary condition；
Second setting submodule, for obtaining the parameter to be calculated of user's input；Wherein, the parameter to be calculated includes institute
State the pressure difference between the outlet of air conditioning wind pipe and entrance；
Computational submodule, for calculating automatically described deformed according to the boundary condition and the parameter to be calculated
Pressure difference between the outlet and entrance of grid model.
Wherein, the computing module further include:
Submodule is deleted, it is minimum for deleting previous determining air conditioning wind pipe crushing in general-purpose computations flow dynamics analysis software
Optimal geometrical model during the computational domain in flow field, grid model conciliate file.
Wherein, the determining module includes:
Third acquisition submodule, for obtaining the change at each control point in each deformed grid model respectively
Shape coordinate；
Be fitted submodule, for according to each control point of each deformed grid model deformation coordinate and the deformation
The pressure difference of grid model afterwards is fitted approximate model of the air conditioning wind pipe crushing about control point coordinates；
Submodule is determined, for determining the smallest optimal geometry mould of the air conditioning wind pipe crushing according to the approximate model
Type.
Wherein, the determining submodule includes:
First determination unit, for using optimal method, determining that the pressure difference is minimum value according to the approximate model
When each control point position coordinates；
Second determination unit determines the air-conditioner wind for the position coordinates according to each control point currently determined
The optimal geometrical model of pipe.
The embodiment of the present invention also provides a kind of air conditioning wind pipe crushing Optimization Platform of electric car, including electricity as described above
The air conditioning wind pipe crushing of electrical automobile optimizes device.
The embodiment of the present invention also provides a kind of air conditioning wind pipe crushing Optimization Platform of electric car, comprising: processor, storage
Device and it is stored in the computer program that can be run on the memory and on the processor, the computer program is described
The step of processor realizes the air conditioning wind pipe crushing optimization method of electric car as described above when executing.
The embodiment of the present invention also provides a kind of computer readable storage medium, stores on the computer readable storage medium
There is computer program, the computer program realizes the air conditioning wind pipe crushing of electric car as described above when being executed by processor
The step of optimization method.
Above-mentioned technical proposal of the invention at least has the following beneficial effects:
The present invention is by analyzing the control body region and multiple controls that input in software in Fluid Mechanics Computation according to user
The initial coordinate of point and pre-stored control point moving parameter are realized empty in the application software of automatic grid deformation
The auto Deformation of the grid model of air hose is adjusted, then calculates going out for deformed grid model in Fluid Mechanics Computation analysis software
The pressure difference of mouth and entrance, and the pressure difference according to multiple groups and the deformation coordinate at each control point determine between pressure difference and control point coordinates
Relationship, final geometrical model when determining air conditioning wind pipe crushing minimum avoids manual modification grid and does the more wheels calculated
Repeated optimization realizes the air conditioning wind pipe crushing optimization of the completion electric car of full-automatic, disposable process, improves optimization
Efficiency and reduce optimization cost.
Detailed description of the invention
Fig. 1 is the basic step schematic diagram of the air conditioning wind pipe crushing optimization method of the electric car of the embodiment of the present invention；
Fig. 2 is that the air conditioning wind pipe crushing of the electric car of the embodiment of the present invention optimizes the basic composition schematic diagram of device.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The embodiment of the present invention, which is directed to, to be needed the grid model of the air conditioning wind pipe of manual modification electric car in the prior art, does
It calculates and time and again optimizes, cause optimization efficiency low and problem at high cost, the air conditioning wind pipe crushing for providing a kind of electric car is excellent
Change method, apparatus and platform, realize full-automatic, one-off optimization process, reduces and carry out air conditioning wind pipe crushing optimization behaviour
The personnel of work improve optimization efficiency and reduce optimization cost.
Firstly, it is necessary to explanation, the air conditioning wind pipe crushing optimization method of the electric car is applied to an optimization certainly
Dynamicization platform, the platform can by isight software by general-purpose computations flow dynamics analysis software (such as STAR-CCM+) and from
Application software (such as sculptor) auto-associating of dynamicization deformation gets up, and realizes and all process organizations being related to unite to one
One, in organic and logic frame, design cycle is simultaneously restarted in automatic running simulation software, realizes entire design cycle digital
Change and full-automatic.Wherein, the control point moving parameter that sculptor software is used to be determined according to isight is realized to being loaded onto
Grid model in sculptor software carries out automation deformation；STAR-CCM+ software be used for deformed grid model into
The outlet of the automatic air conditioning wind pipe for calculating electric car of row and the pressure difference of entrance；Isight software be used for according to multiple groups pressure difference and with
Each control point coordinates in the corresponding grid model of pressure difference, using experimental design (Design OfExperiments, abbreviation DOE)
Algorithm, which determines that air conditioning wind pipe crushing is the smallest, most geometrical model.
As shown in Figure 1, one embodiment of the invention provides a kind of air conditioning wind pipe crushing optimization method of electric car, packet
It includes:
Step S101: it according to the initial coordinate of the control body region of user's input and multiple control points, and is stored in advance
Control point moving parameter, control the air conditioning wind pipe initial mesh model carry out auto Deformation.
The control volume is the area of space of a certain determination in flow field, and the circumference in this region is known as control plane, control volume
Shape it is arbitrarily selected according to mobility status and boundary position.After selected, the shape of control volume and position are relative to selected
It is fixed and invariable for fixed coordinate system, but the amount of its fluid for being included at every moment changes.In this step, user
Control body region in the grid model for the air conditioning wind pipe that the electric car can be selected according to the design requirement of itself；It is described
Control point is the node deformed for grid model, realizes the automatic of the grid model by adjusting the coordinate at the control point
Deformation.Wherein, multiple control points are located in the control body region.
Step S102: the outlet of deformed grid model and the pressure difference of entrance are calculated.
According to the function of the air conditioning wind pipe it was determined that each air conditioning wind pipe includes that an entrance and one export,
Wherein, the entrance is connect with the on-board air conditioner of the electric car, and the outlet is connect with the crew module of the electric car；
The crushing of the air conditioning wind pipe is the pressure difference between the outlet and entrance of the air conditioning wind pipe, and the pressure difference and the air-conditioning
The shape of air hose is related.Wherein, this step can calculate automatically in STAR-CCM+ software.
Step S103: according to the pressure in multiple deformed grid models and each deformed grid model
Difference determines the smallest optimal geometrical model of the air conditioning wind pipe crushing.
Since the shape of pressure difference and the air conditioning wind pipe between the outlet and entrance of the air conditioning wind pipe has centainly
Relationship, and the shape of the air conditioning wind pipe can be adjusted by the movement at each control point, it therefore, can be according to multiple controls
The pressure difference between the position coordinates of point and the outlet and entrance is made, the methods of response surface algorithm or neural network algorithm are based on,
Fitting of the air conditioning wind pipe crushing about control point coordinates is carried out, obtains the air conditioning wind pipe crushing about control point coordinates
Approximate model, and the smallest crushing model of the air conditioning wind pipe crushing is determined according to the approximate model of fitting.
The air conditioning wind pipe crushing optimization method of the electric car of the embodiment of the present invention passes through control point according to the pre-stored data
Moving parameter, the position at one or several control points in multiple control points that mobile subscriber determines in control volume, realizes institute
The auto Deformation for stating the grid model of air conditioning wind pipe avoids user and repeats manual modification grid；Wherein, the mobile control
The number of point can be preset；The pressure difference between outlet and entrance by calculating deformed grid model automatically；Finally
The pressure difference according to multiple groups and the position coordinates at the control point determine the smallest optimal geometrical model of the air conditioning wind pipe crushing.
The optimization for realizing the air conditioning wind pipe crushing to the electric car of full-automatic, disposable process, improves air conditioning wind pipe
Crushing optimization efficiency reduces optimization cost.
Here, it should be noted that different due to will use in the air conditioning wind pipe crushing optimization process of electric car
File, such as: save script file, distortion of the mesh master program file and the grid automatic running file of control point moving parameter；
Original file is covered when file used in this optimization process in order to avoid saving, the electric car of the embodiment of the present invention
Air conditioning wind pipe crushing optimization method, before step S101, further includes: new files, according to the text of currently stored each file
Part title names newly-built file automatically, such as: increasing present count on the basis of the file serial number of original file name
The mode of value determines that such as original file name is new files 1, then the newly-built file name is new files 2.
Specifically, step S101, according to the initial coordinate of the control body region of user's input and multiple control points, and in advance
The control point moving parameter first stored, the initial mesh model for controlling the air conditioning wind pipe carry out auto Deformation, comprising:
Firstly, obtaining the initial geometry for the air conditioning wind pipe that general-purpose computations flow dynamics analysis software is inputted according to user
The initial mesh model that model generates.
In this step, user inputs the initial of the air conditioning wind pipe of the electric car in STAR-CCM+ software first
Geometrical model automatically generates initial mesh model according to the initial geometric model by STAR-CCM+ software.
Secondly, the initial mesh model is loaded onto the application software of automatic grid deformation.
In this step, it is soft to be loaded onto sculptor by isight software for the initial mesh model in STAR-CCM+ software
In part, consequently facilitating realizing that sculptor software carries out automatic mesh deformation.
Then, control body region and each control that user inputs in the application software that the automatic grid deforms are obtained
The initial coordinate of point.
After the initial mesh model is loaded onto the sculptor software, user can exist according to design requirement
Input control body region and control point position in sculptor software, to show the initial mesh in sculptor software
Control body region and the control point described in model, while the initial position at the control body region and the control point being sat
Mark is stored in .mdf file.
Finally, the mobile corresponding control point of control point moving parameter according to the pre-stored data, makes the initial mesh
Model carries out auto Deformation, generates deformed grid model.
In this step, the pre-stored control point moving parameter is located at the customized secondary development script file of user
.def corresponding in the master file .mdf in sculptor software by being controlled according to the control point moving parameter in file
Control point is mobile to realize control grid model auto Deformation, and generates deformed grid model .ccm.Wherein, the control
Point moving parameter may include the moving parameter of one, two or more control points, and grid model auto Deformation each time can
To be the variation of a control point coordinates, the variation of two control point coordinates or the variation of multiple control point coordinates, thus from
Multiple deformed grid models are generated after dynamic deformation.
It should be noted that the geometrical constraint due to different air conditioning wind pipe peripheries is different, so described customized secondary
The moving parameter at each control point in exploitation script file .def can change according to actual needs.
Here, it should be noted that run the process of above-mentioned secondary development script file .def specifically: customized
The sculptor autoexec .bat of windows, the content of this document are as follows: " C: ProgramFiles Sculptor
Sculptor-3\bin\Sculptor.exe"-d LeftDuct2.def..bat file is clicked, sculptor master may be implemented
File .mdf runs .def, realizes the automatic running of program, completes grid auto Deformation.
Specifically, step S102, calculates the outlet of deformed grid model and the pressure difference of entrance, comprising:
Firstly, deformed grid model is loaded onto general-purpose computations flow dynamics analysis software.
It can only be carried out in general-purpose computations flow dynamics analysis software due to calculating outlet and the pressure difference of entrance,
After the auto Deformation that sculptor software completes grid model, deformed grid model need to be loaded by isight software
In STAR-CCM+ software.
Secondly, the boundary condition of the air conditioning wind pipe is arranged in the general-purpose computations flow dynamics analysis software；Wherein,
The boundary condition includes: mass flow entrance boundary condition and pressure export boundary condition.
In this step, mass flow entrance boundary condition and the pressure export boundary condition can be according to the design needs
Setting, it is preferred that mass flow entrance boundary condition can be 0.00722kg/s, and pressure export boundary condition can be 0Pa.
By the way that the boundary condition is arranged, wanted so that it is guaranteed that there is the pressure difference calculated the precision for determining solution and calculated result to meet design
It asks.
Then, the parameter to be calculated that setting user inputs；Wherein, the parameter to be calculated includes going out for the air conditioning wind pipe
Pressure difference between mouth and entrance.
In this step, user need to determine the parameter for needing to solve according to design requirement, and select in STAR-CCM+ software
The parameter for needing to solve, to realize the curriculum offering parameter to be calculated inputted according to user.In embodiments of the present invention, user
Only need to calculate the pressure difference between the outlet and entrance of the air conditioning wind pipe；Wherein, each deformed grid model has one
A pressure difference.
Finally, calculating the deformed grid model automatically according to the boundary condition and the parameter to be calculated
Pressure difference between outlet and entrance.
Further, the step being loaded onto deformed grid model in general-purpose computations flow dynamics analysis software it
Before, the method also includes:
Delete the previous determining the smallest optimal geometrical model of air conditioning wind pipe crushing in general-purpose computations flow dynamics analysis software
Computational domain, the grid model in flow field in the process conciliate file.
In this step, the solution file includes the speed and pressure of each grid model in previous calculating process, is passed through
The solution file is deleted, the deletion of the pressure difference in previous calculating process is realized.
As shown in the above, the specific implementation procedure of step S102 can be successively are as follows: (1) computational domain in flow field is deleted,
(2) volume mesh is deleted, the volume mesh is the grid model of the air conditioning wind pipe of previous calculating；(3) solution is removed；(4) input deformation
Grid model afterwards；(5) boundary condition is set；(6) parameter to be calculated is inputted；(7) it runs, wherein operational process can be for certainly
Dynamic implementation procedure；(8) pressure difference is exported；(9) it saves.
Finally, aforesaid operations (1)-(9) are recorded as .java file, consequently facilitating in the air-conditioner wind for carrying out electric car
Pipe crushing executes above-mentioned steps when optimizing automatically.
Here, it should be noted that run the process of above-mentioned .java file specifically: the STAR- of customized windows
The autoexec .bat of CCM+, the content of this document are " C: ProgramFiles CD-adapco STAR-CCM+
10.02.012 starccmw.exe " LeftDuct2.sim-np 16-batch LeftDuct2.java, click .bat file,
Replacement, the solution in flow field and the output of result that automatic running STAR-CCM+ completes grid according to .java file can be realized.
Specifically, step S103, according in multiple deformed grid models and each deformed grid model
The pressure difference, determine the smallest optimal geometrical model of the air conditioning wind pipe crushing, comprising:
Firstly, obtaining the deformation coordinate at each control point in each deformed grid model respectively.
In this step, the deformation coordinate is each control point currently in the deformed grid model
Coordinate.
Secondly, according to the deformation coordinate at each control point of each deformed grid model and the deformed grid mould
The pressure difference of type is fitted approximate model of the air conditioning wind pipe crushing about control point coordinates.
In this step, the deformation coordinate is the independent variable in the approximate model, and the pressure difference is the approximate model
In dependent variable, used according to the independent variable and the dependent variable based on the methods of response surface algorithm or neural network algorithm,
Fitting of the air conditioning wind pipe crushing about control point coordinates is carried out, the air conditioning wind pipe crushing is finally obtained and is sat about control point
Target approximate model.
It should be noted that needing before the approximate model for being fitted the air conditioning wind pipe crushing using covariance or phase
The mathematical algorithms such as prestige, determine the correlation between each control point and pressure difference and the correlation between each control point.To basis
The result of above-mentioned two correlation determines the independent variable in fitting approximate model, and directly ignores the lesser control point of correlation,
Simplify fit procedure, improves Fitting efficiency.Specifically, firstly, determining the changes in coordinates at multiple control points to the pressure difference
Influence degree, and multiple control points are ranked up according to the size of influence degree；Then, it is determined that each control point
Coordinate variation between influence each other, so that it is determined that for as be fitted approximate model independent variable control point；Wherein,
Control point for the independent variable as fitting approximate model is that the one or more first being affected to the pressure difference controls
Point, and with biggish one or more second control points of first control point correlation；That is: the seat at described second control point
Target variation is affected to the variation of the coordinate at first control point.It should be noted that the control as fitting independent variable
The quantity at system point and control point can determine according to the design needs.
Finally, determining the smallest optimal geometrical model of the air conditioning wind pipe crushing according to the approximate model.
Specifically, according to the approximate model, the step of determining the air conditioning wind pipe crushing the smallest optimal geometrical model
Include:
According to the approximate model, using optimal method, when determining that the pressure difference is minimum value, each control point
Position coordinates；According to the position coordinates at each control point currently determined, the optimal geometrical model of the air conditioning wind pipe is determined.
Preferably, it is normal that the optimal method used in this step can be genetic algorithm or nonlinear quadratic planning algorithm etc.
Optimal method, certainly, the air conditioning wind pipe crushing for obtaining the embodiment of the present invention using other optimal methods are the smallest most
Excellent geometrical model should all be within the scope of the present invention.
It should be noted that optimal method refers to the method for solving optimization problem.So-called optimization problem, refers at certain
The problem of under a little constraint conditions, determining what value certain optional variables should take, being optimal selected objective function.At this
In step, constraint condition refers to the value range of each control point coordinates and the value range of the pressure difference, and objective function reaches
It is optimal to refer to that the pressure difference reaches the minimum value within the scope of its constraint condition.
The air conditioning wind pipe crushing optimization method of the electric car of the embodiment of the present invention, by utilizing isight Integrated Simulation
The platform that sculptor software and STAR-CCM+ software are formed, at the beginning of realizing the control body region according to user's input, control point
Beginning coordinate and control point moving parameter carry out multiple auto Deformation to air conditioning wind pipe grid model, and calculate automatically each deformed
Pressure difference between the outlet and entrance of grid model is fitted the sky according to the deformation coordinate of each pressure difference and each control point
Approximate model of the air hose crushing about control point coordinates is adjusted, finally determines the smallest optimal geometry mould of the air conditioning wind pipe crushing
Type.The process for avoiding manual modification grid model and computing repeatedly realizes full-automatic optimization and disposable process optimization,
It improves optimization efficiency and reduces optimization cost.
As shown in Fig. 2, the embodiment of the invention provides a kind of air conditioning wind pipe crushings of electric car to optimize device, comprising:
Control module 201, the initial coordinate of control body region and multiple control points for being inputted according to user, and it is pre-
The control point moving parameter first stored, the initial mesh model for controlling the air conditioning wind pipe carry out auto Deformation；
Computing module 202, for calculating the outlet of deformed grid model and the pressure difference of entrance；
Determining module 203, for according in multiple deformed grid models and each deformed grid model
The pressure difference, determine the smallest optimal geometrical model of the air conditioning wind pipe crushing.
The air conditioning wind pipe crushing of the electric car of the embodiment of the present invention optimizes device, and the control module 201 includes:
First acquisition submodule, the air-conditioning inputted for obtaining general-purpose computations flow dynamics analysis software according to user
The initial mesh model that the initial geometric model of air hose generates；
First load submodule, for the initial mesh model to be loaded onto the application software of automatic grid deformation
In；
Second acquisition submodule, the control inputted in the application software that the automatic grid deforms for obtaining user
The initial coordinate of body region and each control point；
Submodule is generated, for the mobile each control point of control point moving parameter according to the pre-stored data, is made described first
Beginning grid model carries out auto Deformation, generates deformed grid model.
The air conditioning wind pipe crushing of the electric car of the embodiment of the present invention optimizes device, and the computing module 202 includes:
Second load submodule, for deformed grid model to be loaded onto general-purpose computations flow dynamics analysis software
In；
First setting submodule, for the air conditioning wind pipe to be arranged in the general-purpose computations flow dynamics analysis software
Boundary condition；Wherein, the boundary condition includes: mass flow entrance boundary condition and pressure export boundary condition；
Second setting submodule, for obtaining the parameter to be calculated of user's input；Wherein, the parameter to be calculated includes institute
State the pressure difference between the outlet of air conditioning wind pipe and entrance；
Computational submodule, for calculating automatically described deformed according to the boundary condition and the parameter to be calculated
Pressure difference between the outlet and entrance of grid model.
In the air conditioning wind pipe crushing optimization device of the electric car of the embodiment of the present invention, the computing module 202 further include:
Submodule is deleted, it is minimum for deleting previous determining air conditioning wind pipe crushing in general-purpose computations flow dynamics analysis software
Optimal geometrical model during the computational domain in flow field, grid model conciliate file.
In the air conditioning wind pipe crushing optimization device of the electric car of the embodiment of the present invention, the determining module 203 includes:
Third acquisition submodule, for obtaining the change at each control point in each deformed grid model respectively
Shape coordinate；
Be fitted submodule, for according to each control point of each deformed grid model deformation coordinate and the deformation
The pressure difference of grid model afterwards is fitted approximate model of the air conditioning wind pipe crushing about control point coordinates；
Submodule is determined, for determining the smallest optimal geometry mould of the air conditioning wind pipe crushing according to the approximate model
Type.
In the air conditioning wind pipe crushing optimization device of the electric car of the embodiment of the present invention, the determining submodule includes:
First determination unit, for using optimal method, determining that the pressure difference is minimum value according to the approximate model
When each control point position coordinates；
Second determination unit determines the air-conditioner wind for the position coordinates according to each control point currently determined
The optimal geometrical model of pipe.
The air conditioning wind pipe crushing of the electric car of the embodiment of the present invention optimizes device, by utilizing isight Integrated Simulation
The platform that sculptor software and STAR-CCM+ software are formed, at the beginning of realizing the control body region according to user's input, control point
Beginning coordinate and control point moving parameter carry out multiple auto Deformation to air conditioning wind pipe grid model, and calculate automatically each deformed
Pressure difference between the outlet and entrance of grid model, according to the deformed coordinate of each pressure difference and each control point, described in fitting
Approximate model of the air conditioning wind pipe crushing about control point coordinates finally determines the smallest optimal geometry mould of the air conditioning wind pipe crushing
Type, the process for avoiding manual modification grid model and computing repeatedly realize full-automatic optimization and disposable process optimization,
It improves optimization efficiency and reduces optimization cost.
The embodiment of the present invention also provides a kind of air conditioning wind pipe crushing Optimization Platform of electric car, including electricity as described above
The air conditioning wind pipe crushing of electrical automobile optimizes device.
The embodiment of the present invention also provides a kind of air conditioning wind pipe crushing Optimization Platform of electric car, comprising: processor, storage
Device and it is stored in the computer program that can be run on the memory and on the processor, the computer program is described
Processor realizes each process of the air conditioning wind pipe crushing optimization method embodiment of electric car as described above, and energy when executing
Reach identical technical effect, to avoid repeating, which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, stores on the computer readable storage medium
There is computer program, the computer program realizes the air conditioning wind pipe crushing of electric car as described above when being executed by processor
Each process of optimization method embodiment, and identical technical effect can be reached, to avoid repeating, which is not described herein again.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (15)
1. a kind of air conditioning wind pipe crushing optimization method of electric car characterized by comprising
According to the mobile ginseng of the initial coordinate and pre-stored control point at the control body region of user's input and multiple control points
Number, the initial mesh model for controlling the air conditioning wind pipe carry out auto Deformation；
Calculate the outlet of deformed grid model and the pressure difference of entrance；
According to the pressure difference in multiple deformed grid models and each deformed grid model, the sky is determined
Adjust the smallest optimal geometrical model of air hose crushing.
2. the air conditioning wind pipe crushing optimization method of electric car according to claim 1, which is characterized in that defeated according to user
The initial coordinate of the control body region and multiple control points that enter and pre-stored control point moving parameter, control the sky
Adjust air hose initial mesh model carry out auto Deformation the step of include:
The initial geometric model for obtaining the air conditioning wind pipe that general-purpose computations flow dynamics analysis software is inputted according to user generates
Initial mesh model；
The initial mesh model is loaded onto the application software of automatic grid deformation；
Obtain the initial of the control body region that inputs in the application software that the automatic grid deforms of user and each control point
Coordinate；
The mobile corresponding control point of control point moving parameter according to the pre-stored data, carries out the initial mesh model certainly
Dynamic deformation generates deformed grid model.
3. the air conditioning wind pipe crushing optimization method of electric car according to claim 1, which is characterized in that after calculating deformation
Grid model outlet and entrance pressure difference the step of include:
Deformed grid model is loaded onto general-purpose computations flow dynamics analysis software；
The boundary condition of the air conditioning wind pipe is set in the general-purpose computations flow dynamics analysis software；Wherein, the boundary
Condition includes: mass flow entrance boundary condition and pressure export boundary condition；
The parameter to be calculated of user's input is set；Wherein, the parameter to be calculated includes outlet and the entrance of the air conditioning wind pipe
Between pressure difference；
According to the boundary condition and the parameter to be calculated, outlet and the entrance of the deformed grid model are calculated automatically
Between pressure difference.
4. the air conditioning wind pipe crushing optimization method of electric car according to claim 3, which is characterized in that will be deformed
Grid model is loaded onto before the step in general-purpose computations flow dynamics analysis software, the method also includes:
Delete the previous determining the smallest optimal geometrical model process of air conditioning wind pipe crushing in general-purpose computations flow dynamics analysis software
In the computational domain in flow field, grid model conciliate file.
5. the air conditioning wind pipe crushing optimization method of electric car according to claim 1, which is characterized in that according to multiple changes
The pressure difference in grid model and each deformed grid model after shape determines that the air conditioning wind pipe crushing is minimum
Optimal geometrical model the step of include:
The deformation coordinate at each control point in each deformed grid model is obtained respectively；
According to the pressure difference of the deformation coordinate at each control point of each deformed grid model and the deformed grid model,
It is fitted approximate model of the air conditioning wind pipe crushing about control point coordinates；
According to the approximate model, the smallest optimal geometrical model of the air conditioning wind pipe crushing is determined.
6. the air conditioning wind pipe crushing optimization method of electric car according to claim 5, which is characterized in that according to described close
Like model, the step of determining the air conditioning wind pipe crushing the smallest optimal geometrical model, includes:
The position at each control point when the pressure difference is minimum value is determined using optimal method according to the approximate model
Coordinate；
According to the position coordinates at each control point currently determined, the optimal geometrical model of the air conditioning wind pipe is determined.
7. a kind of air conditioning wind pipe crushing of electric car optimizes device characterized by comprising
Control module, the initial coordinate of control body region and multiple control points for being inputted according to user, and be stored in advance
Control point moving parameter, control the air conditioning wind pipe initial mesh model carry out auto Deformation；
Computing module, for calculating the outlet of deformed grid model and the pressure difference of entrance；
Determining module, for according to the pressure in multiple deformed grid models and each deformed grid model
Difference determines the smallest optimal geometrical model of the air conditioning wind pipe crushing.
8. the air conditioning wind pipe crushing of electric car according to claim 7 optimizes device, which is characterized in that the control mould
Block includes:
First acquisition submodule, the air conditioning wind pipe inputted for obtaining general-purpose computations flow dynamics analysis software according to user
Initial geometric model generate initial mesh model；
First load submodule, for the initial mesh model to be loaded onto the application software of automatic grid deformation；
Second acquisition submodule, the control volume area inputted in the application software that the automatic grid deforms for obtaining user
The initial coordinate in domain and each control point；
Submodule is generated, for the mobile corresponding control point of control point moving parameter according to the pre-stored data, is made described first
Beginning grid model carries out auto Deformation, generates deformed grid model.
9. the air conditioning wind pipe crushing of electric car according to claim 7 optimizes device, which is characterized in that the calculating mould
Block includes:
Second load submodule, for deformed grid model to be loaded onto general-purpose computations flow dynamics analysis software；
First setting submodule, for the boundary of the air conditioning wind pipe to be arranged in the general-purpose computations flow dynamics analysis software
Condition；Wherein, the boundary condition includes: mass flow entrance boundary condition and pressure export boundary condition；
Second setting submodule, for obtaining the parameter to be calculated of user's input；Wherein, the parameter to be calculated includes the sky
Adjust the pressure difference between the outlet and entrance of air hose；
Computational submodule, for calculating the deformed grid automatically according to the boundary condition and the parameter to be calculated
Pressure difference between the outlet and entrance of model.
10. the air conditioning wind pipe crushing of electric car according to claim 9 optimizes device, which is characterized in that the calculating
Module further include:
Submodule is deleted, it is the smallest most for deleting previous determining air conditioning wind pipe crushing in general-purpose computations flow dynamics analysis software
Computational domain, the grid model in the flow field during excellent geometrical model conciliate file.
11. the air conditioning wind pipe crushing of electric car according to claim 7 optimizes device, which is characterized in that the determination
Module includes:
Third acquisition submodule, the deformation for obtaining each control point in each deformed grid model respectively are sat
Mark；
It is fitted submodule, for according to the deformation coordinate at each control point of each deformed grid model and described deformed
The pressure difference of grid model is fitted approximate model of the air conditioning wind pipe crushing about control point coordinates；
Submodule is determined, for determining the smallest optimal geometrical model of the air conditioning wind pipe crushing according to the approximate model.
12. the air conditioning wind pipe crushing of electric car according to claim 11 optimizes device, which is characterized in that the determination
Submodule includes:
First determination unit, for being determined each when the pressure difference is minimum value according to the approximate model using optimal method
The position coordinates at the control point；
Second determination unit determines the air conditioning wind pipe for the position coordinates according to each control point currently determined
Optimal geometrical model.
13. a kind of air conditioning wind pipe crushing Optimization Platform of electric car, which is characterized in that any including such as claim 7 to 12
The air conditioning wind pipe crushing of electric car described in optimizes device.
14. a kind of air conditioning wind pipe crushing Optimization Platform of electric car characterized by comprising processor, memory and storage
On the memory and the computer program that can run on the processor, the computer program are held by the processor
The step of air conditioning wind pipe crushing optimization method such as electric car described in any one of claims 1 to 6 is realized when row.
15. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the sky such as electric car described in any one of claims 1 to 6 when the computer program is executed by processor
The step of adjusting air hose crushing optimization method.
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